Our range of manhole covers & frames are designed for use in standard municipal, industrial and urban settings. These manholes can withstand heavy traffic and loads. The unique design of the covers makes them easy to install and remove for regular inspection of the sewer. Our range of manhole covers and frames comply with is: 12592 specifications. We can custom design manhole parts and covers in different shapes, sizes and thickness based upon the requirements of the clients. salient features:-they are customized according to users specificationsthey are available in different type like light duty, medium duty, heavy duty, extra heavy duty.they can survive the weight of serious traffic on roads.